TM 11-6625-2575-14
OPERATOR/CREW MAINTENANCE INSTRUCTIONS
4-2. Preventive Maintenance Services
4-1. Lubrication, Repair Parts, Tools, and
Test Equipment
Preventive maintenance on the AN/USM-203A
is limited to observations by the operator. Dis-
No lubrication, repair parts, tools, or test equip-
connect the power from the unit if the AN/USM-
ment are required by the operator.
203A does not operate normally. Any instrument
which does not operate normally shall be sent to
a higher maintenance category.